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general::
Phrase(s): make a mountain out of a molehill
Cliché to make a major issue out of a minor one; to exaggerate the importance of something. • Come on, don’t make a mountain out of a molehill. It’s not that important. • Mary is always making mountains out of molehills.
McGrawhill's American Idioms And Phrasal Verbs
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Exaggerate trifling difficulties, as in If you forgot your racket you can borrow one? don't make a mountain out of a molehill. This expression, alluding to the barely raised tunnels created by moles, was first recorded in John Fox's The Book of Martyrs (1570).
American Heritage Idioms